RE: [nsp] two interfaces on the same LAN with same subnet

From: Kevin Gannon (kgannon@lancomms.ie)
Date: Thu Nov 15 2001 - 08:08:24 EST


Would one port not block ? FEC would seem to be the way to go
however note that the FEC hash uses the MAC addresses. So you
really need multiple MAC going to multiple MACs.

Regards,
Kevin

-----Original Message-----
From: Andy Harding [mailto:andyh@verio.net]
Sent: 14 November 2001 17:40
To: cisco-nsp@puck.nether.net
Cc: cisco-nsp@puck.nether.net
Subject: RE: [nsp] two interfaces on the same LAN with same subnet

hi Neil,

if memory serves, you need a bridge-group - effectively a vlan in old
nomenclature:

bridge <bridge-group-#> protocol ieee # valid bridge-group-#s 1-63
                                            # protocol is stp - ieee|dec
int f0/0
 bridge-group <bridge-group-#>
 ip address 10.0.0.1 255.255.255.0

int f0/1
 bridge-group <bridge-group-#>
 ip address 10.0.0.2 255.255.255.0

hth

-andy

Neil J. McRae wrote on 14 November 2001:
>
> I'm sure this has been discussed before but I can't find any info on.
>
> We need to have two interfaces on the same subnet into the same
> switch but we can't use ISL/VLAN/.Q etc. So we effectively double
> the bandwidth to that LAN.
>
> Anyone solved this problem?
>
> Neil.
>



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